<template>
  <div class="login-container">
    <div class="login-box">
      <el-form ref="loginForm" :model="loginForm" :rules="loginRules" auto-complete="on" label-position="left">
        <div class="title-container">
          <h3 class="title">悦兴物业综合服务平台</h3>
        </div>

        <el-form-item prop="username">
          <!-- <span class="svg-container">
            <svg-icon icon-class="user" />
          </span> -->
          <el-input
            ref="username"
            v-model="loginForm.username"
            placeholder="请输入用户名"
            name="username"
            type="text"
            tabindex="1"
            auto-complete="on"
          >
            <i slot="prefix" style="color:#1890ff" class="el-input__icon el-icon-user" />
            <i slot="suffix" class="el-input__icon el-icon-error" @click=" loginForm.username = '' " />
          </el-input>
        </el-form-item>

        <el-form-item prop="password">
          <!-- <span class="svg-container">
            <svg-icon icon-class="password" />
          </span> -->
          <el-input
            :key="passwordType"
            ref="password"
            v-model="loginForm.password"
            :type="passwordType"
            placeholder="请输入密码"
            name="password"
            tabindex="2"
            auto-complete="on"
            @keyup.enter.native="handleLogin"
          >
            <i slot="prefix" style="color:#1890ff" class="el-input__icon el-icon-lock" />
            <!-- <i slot="suffix" class="el-input__icon el-icon-date" /> -->
          </el-input>
          <span class="show-pwd" @click="showPwd">
            <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
          </span>
        </el-form-item>

        <el-button :loading="loading" type="primary" size="small" @click.native.prevent="handleLogin">提交</el-button>
        <el-button size="small">重置</el-button>

        <!-- <div class="tips">
          <span style="margin-right:20px;">username: admin</span>
          <span> password: any</span>
        </div> -->

      </el-form>
    </div>
  </div>
</template>

<script>
import { validUsername } from '@/utils/validate'

export default {
  name: 'Login',
  data() {
    // 自定义规则
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error('Please enter the correct user name'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('The password can not be less than 6 digits'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        username: 'admin',
        password: 'admin888'
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  // 监听 定位出是的页面
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    // 点击图标 显示隐藏密码
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },

    // 点击登录
    handleLogin() {
      // this.$store.dispatch('user/login')
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('user/login', this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || '/' })
            this.loading = false
          }).catch(() => {
            this.loading = false
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#000;
$cursor: #000;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
    background-image: url('../../assets/shequlogin.jpg');
    background-size: cover;

  // .el-input {
  //   display: inline-block;
  //   height: 47px;
  //   width: 85%;
  //   input {
  //     border: 0px;
  //     -webkit-appearance: none;
  //     border-radius: 0px;
  //     padding: 12px 5px 12px 15px;
  //     height: 47px;

  //     &:-webkit-autofill {
  //       box-shadow: 0 0 0px 1000px $bg inset !important;
  //       -webkit-text-fill-color: $cursor !important;
  //     }
  //   }
  // }

  // .el-form-item {
  //   border: 1px solid rgba(255, 255, 255, 0.1);
  //   background: rgba(0, 0, 0, 0.1);
  //   border-radius: 5px;
  //   color: #454545;
  // }
}
</style>

<style lang="scss" scoped>
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  overflow: hidden;

  .login-box{
    width: 460px;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    box-shadow: 0 0 10px #0003;
    padding: 20px 40px 40px;
    background-color: #ffffff4d;
  }

  .login-form {
    position: relative;
    // width: 520px;
    max-width: 100%;
    // padding: 160px 35px 0;
    // margin: 0 auto;
    // overflow: hidden;
  }

  // .tips {
  //   font-size: 14px;
  //   color: #004fd9;
  //   margin-bottom: 10px;

  //   span {
  //     &:first-of-type {
  //       margin-right: 16px;
  //     }
  //   }
  // }

  .svg-container {
    color: #004fd9;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 20px;
      color: #004fd9;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: normal;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 1px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
